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Finding the Fourth Proportional to 343,444.59, 515,463.35 and 238,337.37

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Solution

The fourth proportional to 343,444.59, 515,463.35 and 238,337.37 is: 357,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,444.59 : 515,463.35 = 238,337.37 : x
  2. Step 2: Convert to fraction form
    343,444.59/515,463.35 = 238,337.37/x
  3. Step 3: Cross multiply
    343,444.59x = 515,463.35 × 238,337.37
  4. Step 4: Simplify right side
    343,444.59x = 122,854,177,978.70
  5. Step 5: Solve for x
    x = 122,854,177,978.70/343,444.59
  6. Step 6: Final answer
    x = 357,711.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.